Asked by Prince
predict the product of the following Bronsted- Lowry acid with a base 1. AlCl3 +NH3 2. GaF3+H2O
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Quick answers with brief explanations:
1) AlCl3 + NH3
- AlCl3 is a strong Lewis acid (accepts an electron pair); NH3 is a Lewis/Bronsted base (donates an electron pair). They form a coordination (adduct) complex:
AlCl3 + :NH3 → :NH3→AlCl3 (often written AlCl3·NH3).
- If a large excess of NH3 is available (especially in solution), Al3+ can be fully ammonia‑ligated to give the hexaammine salt:
AlCl3 + 6 NH3 → [Al(NH3)6]Cl3.
2) GaF3 + H2O
- GaF3 hydrolyzes in water. The main net reaction is:
GaF3 + 3 H2O → Ga(OH)3(s) + 3 HF(aq).
- Alternatively, with limited water you may first get hydrated gallium fluoride complexes (coordination of H2O to Ga3+) rather than complete hydrolysis.
1) AlCl3 + NH3
- AlCl3 is a strong Lewis acid (accepts an electron pair); NH3 is a Lewis/Bronsted base (donates an electron pair). They form a coordination (adduct) complex:
AlCl3 + :NH3 → :NH3→AlCl3 (often written AlCl3·NH3).
- If a large excess of NH3 is available (especially in solution), Al3+ can be fully ammonia‑ligated to give the hexaammine salt:
AlCl3 + 6 NH3 → [Al(NH3)6]Cl3.
2) GaF3 + H2O
- GaF3 hydrolyzes in water. The main net reaction is:
GaF3 + 3 H2O → Ga(OH)3(s) + 3 HF(aq).
- Alternatively, with limited water you may first get hydrated gallium fluoride complexes (coordination of H2O to Ga3+) rather than complete hydrolysis.
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